diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
index 052b386b5..9fb7ff044 100644
--- a/youtube_dl/extractor/extractors.py
+++ b/youtube_dl/extractor/extractors.py
@@ -116,7 +116,6 @@ from .camdemy import (
 from .camwithher import CamWithHerIE
 from .canalplus import CanalplusIE
 from .canalc2 import Canalc2IE
-from .canalu import CanalUIE
 from .canvas import CanvasIE
 from .carambatv import (
     CarambaTVIE,
diff --git a/youtube_dl/extractor/universcience.py b/youtube_dl/extractor/universcience.py
index caadd172a..a0a3f5406 100644
--- a/youtube_dl/extractor/universcience.py
+++ b/youtube_dl/extractor/universcience.py
@@ -11,6 +11,8 @@ from ..utils import (
     update_url_query,
 )
 
+import re
+
 
 class UniverscienceIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?universcience\.tv/video-.*-(?P<id>[0-9]+)\.html'
@@ -64,7 +66,7 @@ class UniverscienceIE(InfoExtractor):
             media_width = int_or_none(self._search_regex(r'(\d*) x \d*', media_label, 'width', default=None))
             media_height = int_or_none(self._search_regex(r'\d* x (\d*)', media_label, 'height', default=None))
             media_label = self._search_regex(
-                r'(.*) (\d* x \d*)', media_label, 'media_label', default=media_label, fatal=False)
+                r'(.*) \d* x \d*', media_label, 'media_label', default=media_label, fatal=False)
 
             if media_label in ('HLS', 'm3u8'):
                 formats.extend(self._extract_m3u8_formats(